Alert archive / Wisconsin / Heat Advisories in 2011
Heat Advisory 5, NWS Milwaukee, WI
NWS Milwaukee, WI issued this heat advisory at Aug 2, 2011, 4:00 AM CDT for 11 counties in Wisconsin. It took effect at Aug 2, 2011, 1:00 PM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Aug 2, 2011, 4:00 AM CDT (09:00 UTC)
- In effect from
- Aug 2, 2011, 1:00 PM CDT
- Expired
- Aug 2, 2011, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Milwaukee, WI
Counties Dane County, WI, Green County, WI, Iowa County, WI, Jefferson County, WI, Kenosha County, WI, Lafayette County, WI, Milwaukee County, WI, Racine County, WI, Rock County, WI, Walworth County, WI, Waukesha County, WI
The radar
The Milwaukee radar (KMKX), 30 km from the middle of the area, began a volume at 09:03 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 9.0 hours before the alert went out and 190 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 3531 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 1135 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.9
What forecasters said that day
The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Milwaukee, WI wrote its last area forecast discussion before this heat advisory went out at Aug 2, 3:29 AM CDT, 31 minutes earlier.
Area forecast discussion, Aug 2, 3:29 AM CDT, 31 minutes before
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</html>Hazardous weather outlook, Aug 1, 4:06 PM CDT, 11 hours 54 minutes before
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</html>The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 5:04 PM CDT | Severe Thunderstorm Warning | MKX | Rock, Walworth | 41 min |
| Aug 2, 5:08 PM CDT | Special Marine Warning | MKX | 97 min | |
| Aug 2, 5:35 PM CDT | Severe Thunderstorm Warning | MKX | Rock, Walworth | 40 min |
| Aug 2, 5:49 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine, Walworth | 41 min |
| Aug 2, 5:54 PM CDT | Severe Thunderstorm Warning | MKX | Racine | 21 min |
| Aug 2, 6:34 PM CDT | Special Marine Warning | MKX | 41 min |
Nearby
Heat Advisories in Wisconsin, 2011Every heat advisory in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.